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| Bechstein's bat | |
|---|---|
| Name | Bechstein's bat |
| Status | NT |
| Status system | IUCN3.1 |
| Genus | Myotis |
| Species | M. bechsteinii |
| Authority | (Kuhl, 1817) |
Bechstein's bat is a medium-sized European vesper bat associated with old-growth woodland and orchard habitats. It was described in the early 19th century and has attracted attention from conservation organizations across Europe, including national agencies in United Kingdom, Germany, and France. Populations show patchy distribution linked to forest management, protected areas, and landscape-scale conservation initiatives such as those promoted by the European Union and the Bern Convention.
Myotis bechsteinii was named by Kuhl in 1817 and placed in the genus Myotis, a diverse clade within the family Vespertilionidae. The specific epithet honors the German naturalist Johann Matthäus Bechstein, whose work on Natural history and forestry influenced early chiropterology. Taxonomic treatments reference collections held by institutions such as the Natural History Museum, London, the Museum für Naturkunde, Berlin, and the Muséum national d'Histoire naturelle, Paris. Phylogenetic analyses compare M. bechsteinii with congeners including Myotis myotis, Myotis nattereri, and Myotis daubentonii, often using mitochondrial markers and techniques developed in laboratories at universities like University of Oxford and University of Cambridge.
Adults exhibit a russet-brown pelage and a wingspan intermediate between Myotis nattereri and Pipistrellus pipistrellus. Morphological diagnostics reference forearm length, ear shape, and dental formula compared in museum keys produced by the International Union for Conservation of Nature and field guides from the Royal Society for the Protection of Birds and the British Trust for Ornithology. Researchers employ acoustic identification using bat detectors developed by companies such as Bat Conservation Trust partners and laboratories at University College London to differentiate echolocation calls from those of Rhinolophus ferrumequinum and Nyctalus noctula.
The species occurs across much of Europe from the Iberian Peninsula through central Europe to parts of Scandinavia and the Balkans, with fragmented populations in United Kingdom woodlands and in protected landscapes like the Black Forest and Białowieża Forest. It occupies mature deciduous and mixed woodlands, hedgerows, and traditional orchards recognized under schemes by the Food and Agriculture Organization and national forestry services. Conservation zoning often overlaps with Natura 2000 sites and national parks administered by bodies such as the Swiss Federal Office for the Environment and the German Federal Agency for Nature Conservation.
Bechstein's bat is primarily nocturnal, roosting in tree cavities, bat boxes, and occasionally in heritage structures overseen by organizations like English Heritage and the German Foundation for Monument Protection. Social structure includes small maternity colonies studied in longitudinal projects at institutions such as the Max Planck Society and Université de Strasbourg. Movement ecology research uses radio-tracking and landscape genetics methods developed at Wageningen University and the University of Helsinki to map foraging ranges relative to corridors promoted by the Convention on Biological Diversity.
Foraging focuses on Lepidoptera, Diptera, and other aerial insects recorded in light-trap surveys coordinated with entomological societies like the Royal Entomological Society and the Entomological Society of America (European collaborations). Prey selection studies reference methodologies from the Zoological Society of London and DNA metabarcoding protocols used at the Natural History Museum, London to link bat guano to insect taxa such as Noctuidae and Culicidae. Foraging occurs in cluttered understory and along woodland edges, habitats also important for species monitored by the European Bird Census Council.
Breeding phenology involves spring mating and summer maternity colonies, with females forming aggregations in tree roosts. Juvenile development and survivorship have been quantified in mark–recapture studies conducted by university research groups at University of Exeter and University of Manchester, employing techniques consistent with guidelines from the IUCN Bat Specialist Group. Longevity records derive from banding schemes administered by national ringing schemes and monitored in long-term plots in reserves managed by organizations like Royal Society for the Protection of Birds and LIFE Programme projects.
Bechstein's bat is listed as Near Threatened on the IUCN Red List owing to habitat loss, forestry practices, and fragmentation caused by agricultural intensification and urbanization advocated historically in policy frameworks. Threat mitigation involves woodland restoration, retention of veteran trees, and creation of ecological networks promoted by the European Commission and implemented by NGOs such as the Bat Conservation Trust and Eurobats. Climate change impacts assessed by the Intergovernmental Panel on Climate Change and national climate assessments compound pressures from pesticide use and infrastructure development, prompting species action plans coordinated across member states of the Convention on Migratory Species.
Category:Bats of Europe Category:Myotis